Functional MR imaging at 1.5 T. Initial results using photic and motoric stimulation.

Bidragets oversatte titel: Functional MR imaging at 1.5 T. Initial results using photic and motoric stimulation.

O Henriksen, H B Larsson, P Ring, Egill Rostrup, A Stensgaard, M Stubgaard, F Ståhlberg, L Söndergaard, C Thomsen, P Toft

Abstract

A preliminary investigation of the effects of stimulation of the visual and the motor cortex was made on a conventional 1.5 T MR imaging scanner. Both types of activation gave a detectable change in the signal between rest and stimulation using a gradient echo sequence with an echo time of 60 ms. The observed effects were assumed to be caused by variation in the amount of paramagnetic deoxyhemoglobin between stimulation and rest due to local increase of capillary blood flow in the human brain during stimulation.
Bidragets oversatte titelFunctional MR imaging at 1.5 T. Initial results using photic and motoric stimulation.
OriginalsprogEngelsk
TidsskriftActa Radiologica
Vol/bind34
Udgave nummer1
Sider (fra-til)101-103
Antal sider3
ISSN0284-1851
StatusUdgivet - 1993

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